look up any word, like lemonparty:
Walloomsac is a word used to describe something that is not normal, or out of the ordinary, or somethiung that stands out.
A bright red truck drove past them.
Dillon said "that car is a walloomsac!"

There were 3 red crayons and 1 orange
Taylor said: "woah that orange crayon is such a walloomsac!"
by DillVonTayyMonroe October 13, 2010